Wrench.



A. H. WEBER.

.WRENCH.

APPLICATION FILED lUNE 23. 1915.

1,175;098. Patented Mar. 14, 1916.

man s'rarns rjarnn'r orricn.

ANTHONY H. WEBER, OF NEW ORLEANS, LOUISIANA.

WRENCH.

Application filed June 23, 1915.

To all whom it may concern:

Be it known that I, ANTHONY H. WEBER, a citizen of the United States,residing at New Orleans, in the parish of Orleans and State ofLouisiana, have invented certain new and useful Improvements in renches,of which the following is a specification, reference being bad to theaccompanying drawings.

My present invention relates broadly to new and useful improvements inwrenches and has particular reference to those of the type in which themovable jaw is provided with a threaded shank whereon operates a nut,for adjusting the movable jaw with respect to the fixed jaw.

One of the principal objects'of the present invention is to form theadjusting nut e1nployed in connection with the threaded shank of themovable jaw, as a two piece element which may be locked together forrotation as a unit when the movable jaw is to be adjusted or may bedisposed in such relation to each other that the threaded shank of themovable jaw may be moved, unrestrictedly through the nut and the jawthus quickly moved to the approximate adjusted position desired.

2 The above, and otherincidental objects of a similar nature, which willbe hereinafter more specifically treated are accomplished by such meansas are illustrated in the accompanying drawings, described in thefollowing specification, and then more particularly pointed out in theclaim which is appended hereto and forms part of this application.

With reference to the drawings, wherein there has been illustrated thepreferred embodiment of this invention, as it is reduced to practice,and throughout the several views .of which similar reference numeralsdesignate corresponding parts, Figure 1 is a side elevation; Fig. 2 is adetail view in plan of the bottom face of the upper section of theadjusting nut; Fig. 3 is a detail view in plan of the upper face of thelower section of the nut; Fig. 4 is a section on the line 44, of Fig. 1;and Fig. 5 is a detail vertical section taken through the nut andshowing the two sections thereof arranged for adjustment of the movablejaw. v

In construction, my wrench as embodied in the accompanying drawings,takes for the most part, the form of an ordinary wrench, differingtherefrom mainly in the construc- Specification of Letters Patent.

Patented Mar. 1 1, 1916.

Serial No. 35,799.

tion of the adjusting means. Preferably the shank 10 of the wrench isequipped with an integral fixed jaw 11, and a handle 12. A movable jaw13 is mounted for sliding movement on the shank of the wrench, wherebyit may be adjusted toward or away from the justing stem 16, which memberextends at right angles to the movable jaw, from the outer face thereof.As disclosed best in Fig. 1, the member 16 is spaced from the shank ofthe wrench and is disposed in parallel relation thereto.

The adjusting stem or shank 16 is noncircular in cross section, beingprovided with two fiat parallel faces 17 and 18 and with two opposedtransversely curved faces 19 and 20. These two curved faces are providedwith threads, as in Fig. 1, so that when the nut, generally designatedin Fig. 1, by the letter A, is properly set and rotated, theadjusting'stem will be moved longitudinally with respect to the wrenchshank, for adjusting the movable jaw with respect to the fixed jaw.

The adjusting nut heretofore generally designated by the letter A, isformed in two ate groove 23. The opening 24 through the member 21 isprovided with two smooth curvedwalls 25 and 26 and two curved walls 27and 28, which are opposed to each other and each of which is providedwith worm threads, as shown best in Fig. 5. The section 21 is providedwith an opening having the characteristics of the opening 24 and has a'flat lower face, indicated at 29. A stud 30 depends from the face 29.This stud is designed to seat in the groove 23 for apu'rpose which willbe hereinafter explained. The lower face of the nut section 21 isprovided with a stop shoulder 31. from the base of which the lower faceextends upward, to the apex of the shoulder. This shoulder is adapted toengage with a stop shoulder 32, which is adapted to limit the rotationof the section 22 in one direction upon the shoulder 15, for a purposewhich will be hereinafter explained.

Attention is now directed to Fig. 4, where- 'in it will be seen that thetwo sections of thus disclosed, it now remains to describe the manner inwhich the nut is manipulated when the movable jaw is to be adjusted.l/V'hen it is desired to displace the movable jaw from engagement with apipe or other article held by the wrench, and to quickly 7 produce awide space between the fixed and movable jaws, the section 21 isturned-upon the section 22 in a right-hand direction,

until the stud 29 is engaged in the end of the groove 23. When the studis thus dis- 7 posed, the smooth 7 walls of the opening through the twosections of the nut will be alined. Then, by continuing to turn theupper section 21, it is obvious that the two sections will rotate in thesame direction as unit, until the shoulder 32 engages with the shoulder31. When these two shoulders are engaged, the smooth walls of the nut Aare disposed opposite tothe threads on the two curved faces 19 and 20 ofthe adjusting stem or shank 16, while the threaded walls of the nutarerdisposedjopposite to the fiat parallel faces-17 and 18 of the stem16. Ihus the adjusting stem 16 may be slid back into the bore 15,without any opposition, so as to quickly space the movable jaw from thefixed jaw.

When the movable jaw is to be minutely adjusted, the section 21 of thenut is turned to the left, until the stud 29 engages'the other 'end ofthe groove 23, in which position of the stud the threads of the onesection are alined with the smoothunthreaded faces of the opening in theother section. When the two sections of the nut are thus disposed, thenut is adapted to be rotated as a unit, and to have its threadsengagedat all times with the threads of the member 15.

In this connection, it will be apparent that when the threads of thesection 21 are moved during the rotation of the nut, to a positionopposite the flat faces of the member 18,

the threads of the other nut section 22 will be in engagement with thethreads of the member 15.

Obviously, the nut may be initially adjusted to a considerable range byso disposing the two sections of the nut that the member 15 may freelyslide therethrough. Then the more minute adjustment of the jaw may beaccomplished by turning the nut so that the threads of the two sections.

thereof will continuously engage with the threads of the member 15. Thejaw may be. held against movement from the desired adjusted position byallowing the two sections of the nut to remain in such position that thestud 29 engages in the right-hand end I of the groove 23.

Having thus described this what is claimed is: V

A wrench including a shank havingv a fifed jaw on one end and alaterally ofiset handle portion on its other end, said handle beingprovided with a rectangular longituinvention,

dinal bore, an adjustable jaw slidable on the wrench shank, a stem-fixedatone end to said jaw and slidably engaged in the bore of the handle,said stem being provided with threads on its opposite faces, and anadjustin'g nut consisting of two superposed secsections being providedwith shoulders adapted for contact with each otherin the latterarrangement of the nut sections to;

prevent a further unitary rotation in-one direction of the nut withrespect to said stem.

In testimony whereof Ihereuntoaffix my Witnesses ALEX. REED, FRANKSTORTZ.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington,1).0.

signature in the presence of twowitnesses ANTHONYHWVEBER.

